www.coolmath.com/reference/triangles-geometry

Definitions and formulas for the area of a triangle, the sum of the angles of a
triangle, the Pythagorean theorem, Pythagorean triples and special triangles (the
...

www.math-salamanders.com/geometry-formulas-triangles.html

Here you will find our support page about Geometry Formulas Triangles. You will
find basic geometric formulas for triangles as well as geometry terms and ...

www.dummies.com/how-to/content/geometry-formulas-and-rules-for-triangles.html

The three-angled, two-dimensional pyramids known as triangles are one of the
building blocks of geometry (however three-cornered they may be). Triangles, of
...

www.mathsisfun.com/area.html

Geometry Index · Area Calculation ... Triangle Area = ½ × b × h b = base h =
vertical height, Square Area = a<sup>2</sup> a = length of side ... The formula is: Area = w × h

www.mathsisfun.com/triangle.html

Geometry Index · Interactive ... There are three special names given to triangles
that tell how many sides (or angles) are equal. There can be 3, ... (Note: You can
also calculate the area from the lengths of all three sides using Heron's Formula.)
...

www.mathportal.org/calculators/plane-geometry-calculators/right-triangle-calculator.php

Calculator that shows work to solve right triangle problems. ... Calculators :: Plane
Geometry :: Right Triangle Calculator. warning: We've .... Math Formulas.

mathforum.org/dr.math/faq/formulas/faq.triangle.html

Formulas for finding the area, perimeter, etc. of a triangle. ... Radius of inscribed
circle: r. To read about triangles, visit The Geometry Center. Equilateral Triangle.

mathworld.wolfram.com/Triangle.html

The study of triangles is sometimes known as triangle geometry, and is a rich
area of geometry filled ... There are also many other formulas for the triangle area
.

magoosh.com/gre/2012/gre-geometry-formulas/

Mar 23, 2012 ... Here's a list of GRE geometry formulas to memorize. Includes the formulas to
know for circles, triangles, quadrilaterals, cubes, and polygons!

www.geom.uiuc.edu/docs/reference/CRC-formulas/node22.html

A right triangle has one right angle, and an obtuse triangle has one obtuse angle.
... Many formulas for an isosceles triangle of sides a, a, c can be immediately ...